X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fsyntax%2Fgenv_weight.ma;h=3dd315e0a6e39d128f6b7c978135db72aa3169e1;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=9bf005fa069ebc515ff1589a56fc9b9e43b78209;hpb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/static_2/syntax/genv_weight.ma b/matita/matita/contribs/lambdadelta/static_2/syntax/genv_weight.ma index 9bf005fa0..3dd315e0a 100644 --- a/matita/matita/contribs/lambdadelta/static_2/syntax/genv_weight.ma +++ b/matita/matita/contribs/lambdadelta/static_2/syntax/genv_weight.ma @@ -19,12 +19,12 @@ include "static_2/syntax/genv.ma". rec definition gw G ≝ match G with [ GAtom ⇒ 0 -| GPair G I T ⇒ gw G + ♯{T} +| GPair G I T ⇒ gw G + ♯❨T❩ ]. interpretation "weight (global environment)" 'Weight G = (gw G). (* Basic properties *********************************************************) -lemma gw_pair: ∀I,G,T. ♯{G} < ♯{G.ⓑ{I}T}. +lemma gw_pair: ∀I,G,T. ♯❨G❩ < ♯❨G.ⓑ[I]T❩. normalize /2 width=1 by monotonic_le_plus_r/ qed.